22116252 has 24 divisors (see below), whose sum is σ = 54640656. Its totient is φ = 6938368.

The previous prime is 22116239. The next prime is 22116277. The reversal of 22116252 is 25261122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54003 + ... + 54410.

It is an arithmetic number, because the mean of its divisors is an integer number (2276694).

Almost surely, 2^22116252 is an apocalyptic number.

It is an amenable number.

22116252 is an abundant number, since it is smaller than the sum of its proper divisors (32524404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22116252 is a wasteful number, since it uses less digits than its factorization.

22116252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108437 (or 108435 counting only the distinct ones).

The product of its digits is 480, while the sum is 21.

The square root of 22116252 is about 4702.7919367116. The cubic root of 22116252 is about 280.6966157830.

Adding to 22116252 its reverse (25261122), we get a palindrome (47377374).

The spelling of 22116252 in words is "twenty-two million, one hundred sixteen thousand, two hundred fifty-two".